Warp beam section for a loom

ABSTRACT

Two adjustably interconnected telescoping barrels form a warp beam section for a loom. The barrels may be fixedly maintained at selected axial position, and flanges are connected to the outer ends of the beam barrels.

United States Patent [191 Scholze et' al.-

[111 3,853,287 [4 1, Dec. '10, 1974 1 WARP BEAM SECTION FOR A LOOM [76] lnventors: Gottfried Scholze, Bergstr. l5;

Dietrich Scholze, Blumenstr. 8; Johannes Maier, Bergstrasse 17, all of 3559 Schreufa, Germany [22] Filed: Apr. 20, 1973 [21] Appl. N0.:.352,940

Related US. Application Data [63] Continuation of Ser. No. 182,816, Sept. 22, 1971,

abandoned.

[30] 7 Foreign Application Priority Data Sept. 24, 1970 Germany 2046995 [52] US. Cl.... 242/ll8.5, 242/62, 139/97! 1 139/101, 66/86 A 51 im. c1 B65h 75/14 [58] Field of Search 139/97, 101; 28/32, 39,

[56] References Cited UNITED STATES PATENTS 1/1934 Bixby 242/11s.41 x

2,081,331 5/1937 Hathaway 242/1l8.4l X 2,119,868 6/1938 Olson et a1...... 242/1 18.5 2,269,867 l/1942 Sirmay 66/86 A 2,406,434 8/1946 Payne 242/118.5 3,534,779 10/1970 Matouch et a1 139/101 FOREIGN PATENTS OR APPLICATIONS 838,364 6/1960 Great Britain... 242/118.5 940,086 5/1948 France 139/97 204,486 10/1923 Great Britain ..242/1l8.5'

Primary ExaminerJames Kee Chi Attorney, Agent, or Firm-Kurt Kelman [57] ABSTRACT Two adjustably interconnected telescoping barrels form a warp beam section for a loom. The barrels may be fixedly maintained at selected axial position, and flanges are connected to the outer ends of the beam barrels.

1 Claim, 3 Drawing Figures WARP BEAM SECTION FOR A LOOM This is a continuation, of application Ser. No. l82,8l6 filed Sept. 22, 1971, now abandoned.

The present invention relates to improvements in warp beam sections for a loom.

As is known, the use of warp beam sections in looms depends on the width of the loom. In practice, this means that certain beams can be used only for certain types of looms. If beams of the required length are not available to extend over the entire width of the loom, fewer warp beam sections are used, leaving a certain extent of theloom width unused.

While attempts have been made to overcome this disadvantage by providing adjustable beams or beam flanges, they have not been commercially successful for a variety of reasons.

It is the primary object of this invention to provide warp beam sections which may be positioned in a loom so that the entire width of the loom is utilized without causing excessive distances between the beam section flanges, thus making it possible to operate wide looms with warp beam sections withoutrequiring the use of finishing machines of maximum width.

The above and other objects are accomplished in accordance with the invention with a warpbeam section comprising two telescoping barrels. Each barrel has an inner end and an outer end, the inner end of one of the barrels extending into the inner end of the other barrel. The inner barrel ends are adjustably interconnected for selecting different axial positions of the barrels and means is provided'for fixedly maintaining a selected oneof the axial positions. A flange is rigidly connected to the outer ends of the barrels.

In a preferred embodiment, the inner ends of the barrels have meshing threads, the inner end of the one bar-' rel having an external thread and theinner end of the other barrel having an internal thread on a fixed bushing, if desired. A nut is mounte'don the external thread for abutting engagement with the inner end of the other barrel for fixedly maintaining the elected axial position.

The use of rigidly connected beam flanges makes it possible to work with favorable flange spacings while using the same warp sections on different loom types and to use in each instance the entire width of the loom.

According to a preferred feature, a removable sleeve is arranged to cover one of the barrels which has an external thread forming part of the means for adjustably interconnecting the inner barrel ends. The flanges may be rigidly connected to the outer ends of the barrels by means of an insert keyed to the drive shaft of the beam.

The above and other objects, advantages and features of the present invention will be better understood by reference to the following detailed description of a now preferred embodiment thereof, taken in conjunction with the accompanying drawing wherein FIG. I is a side elevational view, partly in section, of

a warp beam section for a loom according to this inven- Referring now to the drawing wherein like reference numerals designate like parts in all figures, FIG. 1 shows a warp beam section for a loom, which comprises two telescoping barrels l and 2. Each barrel has an inner end and an outer end, and the inner end of barrel 1 extends into the inner end of barrel 2, the inner end of barrel 1 having anexternally extending threaded portion 3 meshing with the internal threaded portion 4 of the inner end of barrel 2, the threaded portions constituting means for adjustably interconnecting the inner barrel ends for selecting differential axial positions of the barrels. The internal threaded portion 4 is arranged on a bushing 5 which is fixedly mounted-on the inner end of barrel 2.

A nut 6 is threadedly mounted on the externalthreaded portion 3 for engagement with the end face of bushing 5 so as fixedly to maintain a selected axial position of the barrels.

A protective sleeve 7 of metal or a suitable synthetic resin is removably arranged over the outer threaded portion 3 to cover the barrel 1.

The outer ends of the barrels each has fixedly connected thereto an insert 8 carrying flange 12. A stub 9 projects outwardly from the insert and flange, each stub having a polygonal bore 10 respectively receiving a correspondingly polygonal shaft 11a, 11b so that the insert and shaft are held against relative rotation. If desired, the two stub shafts 11a, 11b may be replaced by a single shaft passing through the telescoping barrels from one outer end of the beam section to the other. A washer 13 is mounted over each flange 12 to secure the flange on the insert, screws or bolts 14 being used to fix the washer to the flange. The rigid connection of the flange 12 to the-outer end of each barrel is completed by a ring 16 mounted on the polygonal shaft and secured thereto by screw 15.

The outwardly projecting end of polygonal shaft 11a carries a drive pulley 17 connected in a known manner to a suitable drive for rotation of the warp beam. A single drive at one end of the warp beam suffices for rotating the beam. The outer end of shaft 11a carries a bushing l8journaled in a bearing 19 in the lateral support 20 of a loom, the ring 21 securing the beam bushing in the bearing. The rotary mounting and drive for the warp beam are quite conventional and have been only schematically indicated. v FIG. 2 illustrates two laterally adjacently mounted warp beam sections mounted between the lateral supports 20, 20 of a loom, a single polygonal shaft extending through both beam sections from one loom support to the other to support the two beam sections 22a and 2212 each constructed like the beam section of FIG. 1. The axial positions of the telescoping warp beam sections have been so adjusted that the two sections fit between the loom supports 20, 20. Obviously, the length of the beam sections may be readily adjusted according to the distance between the loom supports and/or more than two such beam sections may be mounted side-by-side if required by such distance.

FIG. 3 illustrates a loom whose two lateral supports 20,-20 have the same distance as that of the loom of FIG. 2. However, the width of thefabric to be woven is smaller and, therefore, only a single warp beam section is needed. Therefore, only a single beam section 22a has been mounted on the shaft 11c while the telescoping barrels have been extended so as to increase the width of this section. To cover the external threaded portion of the tube 1 in this embodiment, a longer sleeve 7 is installed.

We claim:

1. A warp beam section for a loom, comprising two telescoping barrels combined to form the beam section, each of the barrels having an inner end and an outer end, the inner end of one of the barrels'extending into the inner end of the other barrel, the inner end of the one barrel having an external thread and a fixed bushing on the inner end of the other barrel having an internal thread, the external thread meshing with the internal thread for adjustably interconnecting the inner barone barrel. 

1. A warp beam section for a loom, comprising two telescoping barrels combined to form the beam section, each of the barrels having an inner end and an outEr end, the inner end of one of the barrels extending into the inner end of the other barrel, the inner end of the one barrel having an external thread and a fixed bushing on the inner end of the other barrel having an internal thread, the external thread meshing with the internal thread for adjustably interconnecting the inner barrel ends upon rotation of the barrels in respect of each other for selecting different axial positions of the barrels resulting in correspondingly different lengths of the beam section, a nut threadedly mounted on the external thread for abutting engagement with the fixed bushing for fixedly maintaining a selected one of the axial positions, a flange rigidly connected to the outer ends of the barrels, and a removably sleeve arranged to cover the one barrel, the sleeve having an outer diameter substantially identical with the outer diameter of the one barrel. 